Esempio n. 1
0
 public virtual bool Visit(Net.Vpc.Upa.Expressions.Expression expression, Net.Vpc.Upa.Expressions.ExpressionTag tag)
 {
     foreach (Net.Vpc.Upa.Expressions.TaggedExpression cc in expression.GetChildren())
     {
         Net.Vpc.Upa.Expressions.Expression cce = cc.GetExpression();
         if (cce != null)
         {
             if (cce is Net.Vpc.Upa.Expressions.UserExpression)
             {
                 Net.Vpc.Upa.Expressions.Expression rr = expressionManager.ParseExpression(cce);
                 rr.Visit(this);
                 expression.SetChild(rr, cc.GetTag());
             }
             else if (cce is Net.Vpc.Upa.Expressions.Var)
             {
                 Net.Vpc.Upa.Expressions.Var v = (Net.Vpc.Upa.Expressions.Var)cce;
                 if (v.GetApplier() == null && v.GetName().Equals("this"))
                 {
                     v.SetName(thisName);
                 }
             }
         }
     }
     return(true);
 }
 public virtual bool Visit(Net.Vpc.Upa.Expressions.Expression expression, Net.Vpc.Upa.Expressions.ExpressionTag tag)
 {
     foreach (Net.Vpc.Upa.Expressions.TaggedExpression cc in expression.GetChildren())
     {
         Net.Vpc.Upa.Expressions.Expression cce = cc.GetExpression();
         if (cce != null)
         {
             if (cce is Net.Vpc.Upa.Expressions.UserExpression)
             {
                 Net.Vpc.Upa.Expressions.UserExpression ucce = (Net.Vpc.Upa.Expressions.UserExpression)cce;
                 Net.Vpc.Upa.Expressions.Expression     expr = expressionManager.ParseExpression(ucce.GetExpression());
                 expr.Visit(new Net.Vpc.Upa.Impl.Uql.Util.UserExpressionParametersMatcherVisitor(ucce));
                 expression.SetChild(expr, cc.GetTag());
             }
         }
     }
     return(true);
 }
 protected internal virtual System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> CreateResultFields(Net.Vpc.Upa.Expressions.Expression expression, string alias, Net.Vpc.Upa.Filters.FieldFilter fieldFilter, System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryStatement> context)
 {
     expression = expressionManager.ParseExpression(expression);
     System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> results = new System.Collections.Generic.List <Net.Vpc.Upa.Persistence.ResultField>();
     if (expression is Net.Vpc.Upa.Expressions.Var)
     {
         Net.Vpc.Upa.Expressions.Var        v      = (Net.Vpc.Upa.Expressions.Var)expression;
         Net.Vpc.Upa.Expressions.Expression parent = v.GetApplier();
         if (parent != null)
         {
             System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> parentResults = CreateResultFields(parent, null, fieldFilter, context);
             int size = (parentResults).Count;
             foreach (Net.Vpc.Upa.Persistence.ResultField p in parentResults)
             {
                 if (size > 1)
                 {
                     v = (Net.Vpc.Upa.Expressions.Var)v.Copy();
                 }
                 if (p.GetExpression() != parent)
                 {
                     //change parent
                     v.SetApplier((Net.Vpc.Upa.Expressions.Var)p.GetExpression());
                 }
                 if (p.GetEntity() != null)
                 {
                     if (v.GetName().Equals("*"))
                     {
                         foreach (Net.Vpc.Upa.Field field in p.GetEntity().GetFields(fieldFilter))
                         {
                             results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                         }
                     }
                     else
                     {
                         Net.Vpc.Upa.Field field = p.GetEntity().GetField(v.GetName());
                         results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                     }
                 }
                 else if (p.GetField() != null)
                 {
                     if (p.GetField().GetDataType() is Net.Vpc.Upa.Types.ManyToOneType)
                     {
                         Net.Vpc.Upa.Entity entity = ((Net.Vpc.Upa.Types.ManyToOneType)p.GetField().GetDataType()).GetTargetEntity();
                         if (v.GetName().Equals("*"))
                         {
                             foreach (Net.Vpc.Upa.Field field in entity.GetFields(fieldFilter))
                             {
                                 results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                             }
                         }
                         else
                         {
                             Net.Vpc.Upa.Field field = entity.GetField(v.GetName());
                             results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                         }
                     }
                     else
                     {
                         results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
                     }
                 }
                 else
                 {
                     results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
                 }
             }
         }
         else
         {
             string name = v.GetName();
             System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> declarations = FindDeclarations(context);
             Net.Vpc.Upa.Expressions.NameOrQuery r = Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue <string, Net.Vpc.Upa.Expressions.NameOrQuery>(declarations, name);
             if (r != null)
             {
                 if (r is Net.Vpc.Upa.Expressions.EntityName)
                 {
                     Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
                     results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, entity.GetDataType(), null, entity));
                 }
                 else
                 {
                     results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
                 }
             }
             else
             {
                 if ("*".Equals(name))
                 {
                     foreach (System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> entry in new System.Collections.Generic.HashSet <System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> >(declarations))
                     {
                         r = (entry).Value;
                         if (r is Net.Vpc.Upa.Expressions.EntityName)
                         {
                             Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
                             Net.Vpc.Upa.Field  field  = entity.FindField(name);
                             results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                             break;
                         }
                     }
                 }
                 else
                 {
                     Net.Vpc.Upa.Field field = null;
                     foreach (System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> entry in new System.Collections.Generic.HashSet <System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> >(declarations))
                     {
                         r = (entry).Value;
                         if (r is Net.Vpc.Upa.Expressions.EntityName)
                         {
                             Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
                             field = entity.FindField(name);
                             break;
                         }
                     }
                     if (field != null)
                     {
                         results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
                     }
                     else
                     {
                         results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
                     }
                 }
             }
         }
         return(results);
     }
     results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(expression, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
     return(results);
 }